Verify-before-mutate for any data write — rehearse a backfill/migration/bulk-update on a /tmp or DB copy, assert row counts, reconcile totals against an expected source, THEN write to prod. Use for "backfill", "migration", "bulk update", or before writing to a prod table.
Verify-before-mutate for any data write — rehearse a backfill/migration/bulk-update on a /tmp or DB copy, assert row counts, reconcile totals against an expected source, THEN write to prod. Use for "backfill", "migration", "bulk update", or before writing to a prod table.